package com.zaofan.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 全站乱码解决
 * 
 * @author dxt
 *
 */
public class CharacterFilter implements Filter {

	private FilterConfig fConfig;
	private String character = "UTF-8";

	public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain)
			throws IOException, ServletException {

		HttpServletRequest request = (HttpServletRequest) req;
		HttpServletResponse response = (HttpServletResponse) resp;

		if (fConfig.getInitParameter("character") != null) {
			character = fConfig.getInitParameter("character");
		}
		request.setCharacterEncoding(character);
		response.setCharacterEncoding(character);
		response.setContentType("text/html;charset=" + character);

		MyServletRequest myRequest = new MyServletRequest(request, response);

		chain.doFilter(myRequest, response);
	}

	public void init(FilterConfig fConfig) throws ServletException {

		this.fConfig = fConfig;
	}

	public void destroy() {
		
		
	}

}
